MAL205753471E3

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AL205753471E3: Aluminum Electrolytic Capacitor Application Field and Working Principle

Aluminum electrolytic capacitors are among the most used components in electronics. They provide high levels of capacitance, reliability, and affordability. The AL205753471E3 is a popular family of aluminum electrolytic capacitors made by Panasonic. This article will cover the application field, working principle, and features of the AL205753471E3.

Application field

The AL205753471E3 is primarily used in power supplies. It is well-suited for suppressing noise from current fluctuations and voltage changes in AC-DC and DC-DC converters. Additionally, it is widely used to filter out high-frequency noise in the output of DRAMs and for bypass application for ICs. Notably, the AL205753471E3 can withstand 80°C reflow soldering.

Working principle

Aluminum electrolytic capacitors use a physical principle known as electrolysis. In this principle, current flows through an electrolyte between two electrodes, one of which is aluminum. This current causes the aluminum electrode to create a thin layer of aluminum oxide, known as a dielectric. The \'dielectric\' serves as a barrier, blocking most of the electric current but allowing some to pass through, creating a capacitance.

Aluminum electrolytic capacitors are also known as polarized capacitors. This is because they have two terminals, a positive terminal and a negative terminal. The anode of the device will always be connected to the positive terminal and the cathode will always be connected to the negative terminal. The flow of electrons occurs from the anode to the cathode, meaning the voltage across the terminals must ALWAYS be positive on the anode terminal and negative on the cathode terminal. This prevents short circuiting and ensures that the capacitor always provides the desired effect.

Features

The AL205753471E3 is a high performance aluminum electrolytic capacitor. It provides excellent electrical and practical characteristics, such as long life, high capacitance, and low leakage current. A few of the key features include:

• Voltage: 35V / 100V / 250V
• Capacitance: 100μF to 470μF
• Operating temperature: -40℃ to +105℃
• Very long life: 2,000 to 10,000hrs when used at +105℃
• Low leakage current: Less than 10 μA (100 μF / 250 V)
• Small size and low ESR (Equivalent Series Resistance)

Overall, the AL205753471E3 is an exceptional choice for a wide range of applications. It provides an excellent combination of features such as high capacitance, low ESR, and long life at an affordable price.

Conclusion

In conclusion, the AL205753471E3 aluminum electrolytic capacitor is an outstanding device, suitable for many power-supply and general electronics applications. Its combination of features such as high voltage, capacitance, long life, and low leakage current make it an ideal choice for many projects. Its polarized design and excellent electrical characteristics makes it a popular choice for many electronics designers and engineers.

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